perk Definition

perk¹
verb, tr & intr perked, perking

1. To become or make someone more lively and cheerful.

Thesaurus: cheer up, buck up, pep up, liven up, rally, recover, revive, recuperate.
Form: perk up (always)
Form: perk someone up
2. Said of an animal's ears: to prick up.

Form: perk up (always)

Etymology: 14c.

---

perk²
noun

1. colloq
A benefit, additional to income, derived from employment, such as membership of a health club, the use of a company car, etc.
Thesaurus: fringe benefit, bonus, extra, plus, dividend, perquisite.

Etymology: 19c: a shortening of perquisite.

---

perk³
verb

tr & intr
perked, perking
1. colloq
To percolate (coffee).

Etymology: 1930s.